What is the current water temperature in Fukuoka?

Q: What is the current water temperature in Fukuoka?

As of now, in Fukuoka, the water temperature is 30.25°C. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort.

Japan > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

86.5

°F

August 7, 10:52

Trend:

stable

Yesterday:

86.6°F

Tomorrow:

86.5°F

Sunrise:

05:34

Sunset:

19:14

Day Length:

13 h. 40 min.

Fukuoka in August

Minimum:

57.2°F

Average:

58.8°F

Maximum:

60.4°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 86.5°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 3.2°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 87.0°F on 2024, while the historical minimum was 81.1°F on 2020.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 85.6°F, the minimum temperature may reach 85.0°F, and the maximum might stay at 86.5°F.

Daily water temperature in Fukuoka

Date	Current Year actual* / forecast**	last year	10 years average
Jul 24	86.1°F	83.4°F	81.4°F
Jul 25	86.4°F	85.6°F	81.8°F
Jul 26	87.0°F	85.4°F	81.9°F
Jul 27	87.9°F	83.5°F	81.9°F
Jul 28	88.4°F	82.8°F	82.3°F
Jul 29	87.5°F	82.6°F	82.8°F
Jul 30	87.1°F	82.6°F	82.9°F
Jul 31	86.8°F	82.7°F	83.1°F
Aug 1	86.2°F	83.2°F	83.4°F
Aug 2	86.1°F	84.4°F	83.6°F
Aug 3	86.1°F	84.8°F	83.8°F
Aug 4	87.1°F	84.9°F	83.8°F
Aug 5	86.7°F	85.3°F	84.0°F
Aug 6	86.6°F	83.9°F	83.4°F
Aug 7	86.5°F	83.6°F	83.3°F
Aug 8	86.5°F	83.1°F	83.4°F
Aug 9	86.4°F	83.0°F	83.2°F
Aug 10	85.4°F	81.9°F	82.2°F
Aug 11	85.0°F	81.6°F	81.8°F
Aug 12	85.0°F	82.1°F	81.8°F
Aug 13	85.3°F	81.6°F	82.1°F
Aug 14	85.7°F	83.2°F	82.6°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

In Fukuoka, the months July through October offer comfortable swimming conditions, which amounts to 112 swimming days.

The warmest water in Fukuoka was recorded on July 28, 2026, reaching a 88.4°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.3°F in Spring, 78.0°F in Summer, and 73.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kitakyushu	86.2°F	30mi
Shimonoseki	86.3°F	39mi
Kumamoto	83.8°F	57mi
Nagasaki	85.4°F	66mi

* current water temperature in this city

** straight line distance from Fukuoka